Home / 261,360,239.10-392,040,358.65-248,605,655.10

Finding the Fourth Proportional to 261,360,239.10, 392,040,358.65 and 248,605,655.10

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Solution

The fourth proportional to 261,360,239.10, 392,040,358.65 and 248,605,655.10 is: 372,908,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,360,239.10 : 392,040,358.65 = 248,605,655.10 : x
  2. Step 2: Convert to fraction form
    261,360,239.10/392,040,358.65 = 248,605,655.10/x
  3. Step 3: Cross multiply
    261,360,239.10x = 392,040,358.65 × 248,605,655.10
  4. Step 4: Simplify right side
    261,360,239.10x = 97,463,450,187,822,192
  5. Step 5: Solve for x
    x = 97,463,450,187,822,192/261,360,239.10
  6. Step 6: Final answer
    x = 372,908,482.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.